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i2c: i2c-smbus: add of_i2c_setup_smbus_alert

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This commit adds of_i2c_setup_smbus_alert which allows the smbalert
driver to be attached to an i2c adapter via the device tree.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Phil Reid
2017-08-24 17:31:03 +08:00
committed by Wolfram Sang
parent 3c0a60bee1
commit 69d17246ab
4 changed files with 42 additions and 3 deletions
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9
include/linux/i2c-smbus.h
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@@ -49,4 +49,13 @@ struct i2c_client *i2c_setup_smbus_alert(struct i2c_adapter *adapter,
struct i2c_smbus_alert_setup *setup);
int i2c_handle_smbus_alert(struct i2c_client *ara);
#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_OF)
int of_i2c_setup_smbus_alert(struct i2c_adapter *adap);
#else
static inline int of_i2c_setup_smbus_alert(struct i2c_adapter *adap)
{
return 0;
}
#endif
#endif /* _LINUX_I2C_SMBUS_H */